One FP interferometer is established within a fully enclosed air cavity, acting as a pressure sensor. The other FP cavity, located in the silicon cup wall, functions as a thermometer and compensator ...

Footage shows the uniform waves lap against the concrete wall Tim is standing on, as the water just metres away remains strangely calm. “It was only in that spot,” Tim said, adding the clear ...

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Abstract: Fabry–Perot cavity antennas are widely used to produce a pencil beam ... interpretations and approximate analytical formulas based on ray optics and leaky waves are reported. A practical ...